body {
    margin: 0;
    background:
        -webkit-linear-gradient(top, #BCC5CE 0%, #929EAD 98%),
        -webkit-radial-gradient(at top left, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
    background:
        linear-gradient(-180deg, #BCC5CE 0%, #929EAD 98%),
        radial-gradient(at top left, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
    background-blend-mode: screen;
    background-repeat: no-repeat;
    color: #fff;
    font-family: "yu gothic", sans-serif;
    font-size: 18px;
    line-height: 30px;
    overscroll-behavior: none;
}

canvas {
    display: block;
}

#info {
    position: fixed;
    bottom: 5%;
    left: 10px;
    padding: 10px;
    display: flex;
    flex-direction: row;
    z-index: 1;
}

.buttonlist {
    margin: 10px 0px 10px 10px;
}

.btn_18 {
    display: block;
    text-align: center;
    vertical-align: middle;
    font-family: "Noto Sans CJK JP";
    font-size: 15px;
    text-decoration: none;
    background: #3b373883;
    position: relative;
    width: 80px;
    margin: auto;
    padding: 1rem 4rem;
    font-weight: bold;
    border-radius: none;
    color: #ffffff;
    outline: solid 5px #3b3738;
    border: 3px solid #ffffff;
}

#annotationsPanel {
    position: absolute;
    top: 60px;
    left: 4px;
    width: auto;
    height: auto;
    color: white;
    font-family: monospace;
}

#annotationsPanel ul {
    padding: 0;
    list-style-type: none;
}

.annotationLabel {
    color: #ffffff;
    font-family: Noto Sans CJK JP;
    pointer-events: none;
    font-size: 15px;
}

.annotationDescription {
    color: #ffffff;
    font-family: monospace;
    pointer-events: none;
    font-size: 14px;
    position: absolute;
    left: 25px;
    padding: 1em;
    width: 200px;
    background: rgba(0, 0, 0, 0.66);
    border-radius: 0.5em;
    transition: opacity 0.5s;
    display: none;
}

.annotationButton {
    width: 160px;
    height: 70px;
    font-family: monospace;
    background-color: rgba(0.25, 0.25, 0.25, 0.5);
    color: white;
    text-align: left;
    padding-left: 20px;
    cursor: pointer;
}

.fullscreen-warning {
    display: none;
    /* 最初は非表示 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    /* 半透明の黒背景：alphaを0にすれば透明、1にすれば透過無し */
    text-align: center;
    z-index: 9999;
    /* 最前面に表示 */
}

/* warnigボックスのスタイル */
.warning-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgb(56, 56, 56);
    background-size: cover;
    color: black;
    font-family: Noto Sans CJK JP;
    font-size: 20px;
    padding: 20px;
    box-shadow: 0 0 10px rgb(0, 0, 0);
}

/* ボタンのスタイル */
.close-button {
    position: absolute;
    bottom: 10%;
    left: 41%;
    width: 100px;
    height: 42px;
    background-size: auto 100%;
    background-color: #b3b3b3;
    color: #fff;
    font-size: 15px;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

@media all and (max-width: 900px) {
    .lil-gui.root {
        right: auto;
        top: auto;
        max-height: 50%;
        max-width: 80%;
        bottom: 0;
        left: 0;
    }

    body {
        margin: 0;
        background:
            -webkit-linear-gradient(top, #BCC5CE 0%, #929EAD 98%),
            -webkit-radial-gradient(at top left, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
        background:
            linear-gradient(-180deg, #BCC5CE 0%, #929EAD 98%),
            radial-gradient(at top left, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
        background-blend-mode: screen;
        background-repeat: no-repeat;
        color: #fff;
        font-family: "yu gothic", sans-serif;
        font-size: 9px;
        line-height: 25px;
        overscroll-behavior: none;
    }

    #info {
        position: fixed;
        top: 2%;
        left: 5px;
        padding: 5px;
        display: flex;
        flex-direction: column;
        z-index: 1;
    }

    .buttonlist {
        margin: 3px 0px 3px 3px;
    }

    .btn_18 {
        line-height: 10px;
        display: block;
        text-align: center;
        vertical-align: middle;
        font-family: Noto Sans CJK JP;
        font-size: 10px;
        text-decoration: none;
        background: #3b373883;
        position: relative;
        width: 50px;
        margin: auto;
        padding: 1rem 1rem;
        font-weight: bold;
        border-radius: 0px;
        color: #ffffff;
        outline: solid 5px #3b3738;
        border: 3px solid #ffffff;
    }
}

@media all and (max-height: 400px) {
    body {
        margin: 0;
        background:
            -webkit-linear-gradient(top, #BCC5CE 0%, #929EAD 98%),
            -webkit-radial-gradient(at top left, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
        background:
            linear-gradient(-180deg, #BCC5CE 0%, #929EAD 98%),
            radial-gradient(at top left, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
        background-blend-mode: screen;
        background-repeat: no-repeat;
        color: #fff;
        font-family: "yu gothic", sans-serif;
        font-size: 9px;
        line-height: 30px;
        overscroll-behavior: none;
    }

    .btn_18 {
        line-height: 10px;
        display: block;
        text-align: center;
        vertical-align: middle;
        font-family: Noto Sans CJK JP;
        font-size: 10px;
        text-decoration: none;
        background: #3b373883;
        position: relative;
        width: 50px;
        margin: auto;
        padding: 1rem 1rem;
        font-weight: bold;
        border-radius: 0px;
        color: #ffffff;
        outline: solid 5px #3b3738;
        border: 3px solid #ffffff;
    }
}